Finding the Fourth Proportional to 2,545,179.44, 3,512,316.13 and 1,399,249.76
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Solution
The fourth proportional to 2,545,179.44, 3,512,316.13 and 1,399,249.76 is: 1,930,947.35
Step by Step Solution
- Step 1: Write the proportion equation
2,545,179.44 : 3,512,316.13 = 1,399,249.76 : x - Step 2: Convert to fraction form
2,545,179.44/3,512,316.13 = 1,399,249.76/x - Step 3: Cross multiply
2,545,179.44x = 3,512,316.13 × 1,399,249.76 - Step 4: Simplify right side
2,545,179.44x = 4,914,607,480,886.92 - Step 5: Solve for x
x = 4,914,607,480,886.92/2,545,179.44 - Step 6: Final answer
x = 1,930,947.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.